Accessory mount



FIG. 1 is left rear isometric view of an accessory mount according to my new design;

FIG. 2 is a right rear isometric view of the accessory mount shown in FIG. 1; and,

FIG. 3 is a rear view of the accessory mount shown in FIG. 1.

The broken lines show portions of the accessory mount that form no part of the claimed design. 

CLAIM The ornamental design for an accessory mount, as shown and described. 